1 files changed, 5 insertions, 0 deletions
diff --git a/src/kservice.c b/src/kservice.c
index e522a649cf..1c1d8da848 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -62,6 +62,11 @@ rt_weak void rt_hw_us_delay(rt_uint32_t us)
         "Please consider implementing rt_hw_us_delay() in another file.\n"));
 }
 
+rt_weak const char *rt_hw_cpu_arch(void)
+{
+    return "unknown";
+}
+
 static const char* rt_errno_strs[] =
 {
     "OK",